Arc 11The Five Kage Summit and Turtle Island
Shinki settled the crisis over Killer B, confronted the Masked Man at the Five Kage Summit, and accepted the mission to rescue Yugito Nii. As the Fourth Shinobi World War approached, he traveled with Naruto to Turtle Island, where Naruto faced his inner resentment at the Waterfall of Truth and Shinki surprised the watching ninja by opening his eyes almost at once.
- Shinki erased Anrokuzan, returned to his own time, and learned that Sara’s letter had promised him the Ryūmyaku, which he sealed inside himself.
- When Kumogakure blamed Konoha for Killer B’s disappearance, Shinki found the injured Killer B and brought him back, then demanded an apology at the Five Kage Summit.
- Shinki helped establish the Allied Shinobi Forces, erased the Masked Man’s appearance with Dust Release, and heard his plan to gather the Tailed Beasts and cast the Infinite Tsukuyomi.
- After the Masked Man declared the Fourth Shinobi World War and Akatsuki captured Yugito Nii, Shinki rescued her and returned to Konoha.
- Shinki prepared for the war by teaching Konohamaru, visiting the Great Toad Sage, and traveling with Naruto toward the Land of Lightning, where they encountered a giant marlin Summoned Beast.
- Shinki and Naruto reached Turtle Island with Might Guy, and Shinki defeated Killer B in a strength contest that earned him recognition as the island’s Beast King.
- At the Waterfall of Truth, Naruto fought the red-eyed self that voiced his resentment and jealousy, while Shinki opened his eyes almost immediately after sitting on the rock.